Fix unused variable/function compilation warnings
This PR fixes a number of unused variable/function compilation warnings
that arise when using a config.h that does not define the macro
POLARSSL_PEM_PARSE_C.
diff --git a/ChangeLog b/ChangeLog
index d4cf85b..08f705e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
mbed TLS ChangeLog (Sorted per branch, date)
+= mbed TLS x.x.x branch xxxx-xx-xx
+
+Bugfix
+ * Fix unused variable/function compilation warnings in pem.c and x509_csr.c
+ that are reported when building mbed TLS with a config.h that does not
+ define POLARSSL_PEM_PARSE_C. #562
+
= mbed TLS 1.3.18 branch 2016-10-17
Security
diff --git a/library/pem.c b/library/pem.c
index 054fcff..ac83116 100644
--- a/library/pem.c
+++ b/library/pem.c
@@ -45,12 +45,12 @@
#define polarssl_free free
#endif
+#if defined(POLARSSL_PEM_PARSE_C)
/* Implementation that should never be optimized out by the compiler */
static void polarssl_zeroize( void *v, size_t n ) {
volatile unsigned char *p = v; while( n-- ) *p++ = 0;
}
-#if defined(POLARSSL_PEM_PARSE_C)
void pem_init( pem_context *ctx )
{
memset( ctx, 0, sizeof( pem_context ) );
diff --git a/library/x509_csr.c b/library/x509_csr.c
index 558b078..9bdfe88 100644
--- a/library/x509_csr.c
+++ b/library/x509_csr.c
@@ -260,8 +260,8 @@
*/
int x509_csr_parse( x509_csr *csr, const unsigned char *buf, size_t buflen )
{
- int ret;
#if defined(POLARSSL_PEM_PARSE_C)
+ int ret;
size_t use_len;
pem_context pem;
#endif